 |
| |||
| 重大变化 | |||
|
material change : 25 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 8 |
| Electronics | 1 |
| Energy industry | 1 |
| Metallurgy | 1 |
| Polymers | 5 |
| Securities | 5 |
| Space | 1 |
| Technology | 1 |
| Wind Energy | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips